/** log.c **/
#include <unistd.h>
#include "log.h"

// log文件路径
#define filepath "/mnt/cmd.log"

//设定时间
static char * settime(char * time_s){
    time_t timer=time(NULL);
    strftime(time_s, 20, "%Y-%m-%d %H:%M:%S",localtime(&timer));
    return time_s;
}

/*
 *打印
 * */
static int PrintfLog(char * logText, char *  string){
    FILE * fd = NULL;
    char s[1024];
    char tmp[256];

    //使用追加方式打开文件
    fd = fopen(filepath,"a+");
    if(fd == NULL){
        return -1;
    }

    memset(s, 0, sizeof(s));
    memset(tmp, 0,sizeof(tmp));

    sprintf(tmp, "*****[pid=%d]:[", getpid());
    strcpy(s, tmp);

    memset(tmp, 0,sizeof(tmp));
    settime(tmp);
    strcat(s, tmp);

    strcat(s, "]*****");
    fprintf(fd, "%s", s);

    fprintf(fd, "*[%s]*****:\n",logText);
    fprintf(fd, "%s\n",string);
    fclose(fd);
    return 0;
}

 /*
  *日志写入
  * */
void LogWrite(char *logText,char *string)
{
    //[为支持多线程需要加锁] pthread_mutex_lock(&mutex_log); //lock.
    //打印日志信息
    PrintfLog(logText, string);

    //[为支持多线程需要加锁] pthread_mutex_unlock(&mutex_log); //unlock.

}
